Home / 114,137,678.25-171,105,738.26-87,331,006.89

Finding the Fourth Proportional to 114,137,678.25, 171,105,738.26 and 87,331,006.89

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Solution

The fourth proportional to 114,137,678.25, 171,105,738.26 and 87,331,006.89 is: 130,919,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,137,678.25 : 171,105,738.26 = 87,331,006.89 : x
  2. Step 2: Convert to fraction form
    114,137,678.25/171,105,738.26 = 87,331,006.89/x
  3. Step 3: Cross multiply
    114,137,678.25x = 171,105,738.26 × 87,331,006.89
  4. Step 4: Simplify right side
    114,137,678.25x = 14,942,836,406,465,942
  5. Step 5: Solve for x
    x = 14,942,836,406,465,942/114,137,678.25
  6. Step 6: Final answer
    x = 130,919,400.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.